Origin: Latin suffix -al
Petrochemical has 3 different meanings across 1 category:
any compound obtained from petroleum or natural gas
"The factory's new emissions report highlighted a surge in volatile petrochemicals released during the refining process."
any compound derived from petroleum or natural gas
"The factory's new emissions report highlighted a sharp rise in toxic petrochemicals released into the local river after an equipment malfunction."
Of or pertaining to the such compounds, or the industry that produces them
"The new factory's petrochemical output will supply half of the region's plastic needs."